Ronny Deila confident but pressure is on in must win tie for Celtic

Ciftci is set to make his competitive debut for Celtic this evening Graham Stuart/Action Images

Celtic are about to embark on that point of their annual tightrope walk when the high wire seems reassuringly thick but the potential fall remains fatal.

The second qualifying round of the Champions League pits them against the modest champions of Iceland, Stjarnan, in Glasgow tonight.

Defeat over the two legs would be “unthinkable” said Scott Brown, the captain, but plenty around Celtic Park will have precisely that thought invading their heads, at least until the expected comfortable first-leg lead has been built. Uefa has constructed all sorts of soft landings for clubs which lose Champions League ties these days — into the Europa League qualifiers, into its actual group stage, into its knockout rounds — but right now there is nothing but an unbroken fall.…